Better things to talk about.Have you looked int to this?It works.I have a friend that has made a living using it in New Mexico, Arizona and other States.All it takes is a Pulse Unite that can be home built, Portable O-Scope for timing, and Voltage Readings.You are not allowed to view links.Please Register or Loginhttp://www.quantecgeoscience.com/Tech/InducedPolarization.phpLinkback: You are not al